/* Visual style follows DeltaBit / TerraBit (geospatialml.com): warm dark glass panels, Fraunces + Inter Tight + JetBrains Mono. */
:root {
  --bg: #1a1612;
  --bg-soft: #221c16;
  --panel: rgba(16, 13, 10, 0.92);
  --panel-strong: rgba(8, 6, 4, 0.96);
  --ink: #0e0b08;
  --text: #f3ecd8;
  --muted: #c4b9a2;
  --muted-strong: #d4c9ae;
  --accent: #d0542c;
  --accent-strong: #e37148;
  --accent-dark: #a33d1a;
  --aoi: #e5a853;
  --line: rgba(243, 236, 216, 0.08);
  --line-soft: rgba(243, 236, 216, 0.06);
  --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.55), 0 2px 0 rgba(255, 255, 255, 0.04) inset;
  --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --radius-sm: 8px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 var(--sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
}

/* Starfield behind the map (visible outside the imagery) and a soft vignette over it. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 17% 32%, rgba(255, 255, 255, 0.7), transparent 60%),
    radial-gradient(1px 1px at 72% 18%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(1px 1px at 41% 71%, rgba(255, 255, 255, 0.45), transparent 60%),
    radial-gradient(1px 1px at 89% 55%, rgba(255, 255, 255, 0.6), transparent 60%),
    radial-gradient(1px 1px at 28% 88%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(1px 1px at 63% 42%, rgba(255, 255, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 5% 12%, rgba(255, 255, 255, 0.45), transparent 60%),
    radial-gradient(1px 1px at 94% 86%, rgba(255, 255, 255, 0.5), transparent 60%),
    radial-gradient(1px 1px at 52% 8%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(ellipse at 50% 40%, var(--bg-soft), var(--bg) 70%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(14, 11, 8, 0.45) 100%);
  pointer-events: none;
  z-index: 5;
}

#map {
  position: absolute;
  inset: 0;
}

a {
  color: var(--accent-strong);
}

/* ── Panels ───────────────────────────────────────────────────────────────── */

.stack {
  position: absolute;
  top: 12px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  scrollbar-width: none;
  pointer-events: none;
}
.stack::-webkit-scrollbar {
  display: none;
}
.stack > * {
  pointer-events: auto;
  flex-shrink: 0;
}
#left {
  left: 12px;
  width: 320px;
  max-height: calc(100% - 70px);
}
#right {
  right: 12px;
  width: 260px;
  max-height: calc(100% - 140px);
}

.card {
  background: var(--panel);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 14px 16px;
}
.card[hidden] {
  display: none;
}

.section-label {
  display: block;
  font: 600 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-strong);
  margin-bottom: 10px;
}

.hint {
  color: var(--muted);
  font-size: 12px;
  margin: 6px 0 8px;
}

/* ── Title ──────────────────────────────────────────────────────────────── */

.title-card {
  position: relative;
  background: var(--panel-strong);
  border-color: var(--line);
  padding: 14px 18px 12px;
}
/* The "?" that reopens the help tour (DeltaBit's tutorial trigger, sized for the title card). */
.help-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(208, 84, 44, 0.55);
  background: rgba(208, 84, 44, 0.08);
  color: var(--accent-strong);
  font: 600 16px/1 var(--serif);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 14px rgba(208, 84, 44, 0.25),
    0 0 0 3px rgba(208, 84, 44, 0.08);
  transition:
    transform 140ms,
    box-shadow 140ms,
    color 140ms,
    border-color 140ms;
}
.help-btn:hover,
.help-btn[aria-expanded="true"] {
  transform: scale(1.08);
  color: var(--text);
  border-color: var(--accent-strong);
  box-shadow:
    0 0 20px rgba(208, 84, 44, 0.45),
    0 0 0 4px rgba(208, 84, 44, 0.18);
}
.help-btn:disabled {
  opacity: 0.4;
  cursor: default;
  transform: none;
}
.title-main {
  display: flex;
  align-items: center;
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1;
  font-variation-settings: "opsz" 144;
  letter-spacing: -0.03em;
}
.logo {
  width: 30px;
  height: 30px;
  margin-right: 10px;
  color: var(--accent-strong);
  flex-shrink: 0;
  overflow: visible;
  filter: drop-shadow(0 0 10px rgba(208, 84, 44, 0.55));
}
.logo-tile {
  fill: rgba(208, 84, 44, 0.12);
  stroke: currentColor;
  stroke-width: 3.5;
}
.logo-grid {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  opacity: 0.35;
}
.logo-dino {
  fill: currentColor;
  stroke: var(--ink);
  stroke-width: 3.5;
  stroke-linejoin: round;
  paint-order: stroke;
}
.logo-eye {
  fill: var(--ink);
}
.title-word {
  font-weight: 500;
}
.title-accent {
  font-weight: 500;
  font-style: italic;
  color: var(--accent-strong);
  font-variation-settings: "opsz" 36;
  margin-left: 0.12em;
}
.title-sub {
  font: 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-top: 8px;
}
.title-meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.title-author {
  font: 10px var(--mono);
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.title-author a {
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 600;
  transition: color 140ms;
}
.title-author a:hover {
  color: var(--text);
}

/* ── Query ──────────────────────────────────────────────────────────────── */

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px 0 12px;
  height: 40px;
  border-radius: 999px;
  background: rgba(243, 236, 216, 0.04);
  border: 1px solid rgba(243, 236, 216, 0.12);
  transition: border-color 140ms, box-shadow 140ms;
}
.search:focus-within {
  border-color: rgba(208, 84, 44, 0.7);
  box-shadow: 0 0 0 3px rgba(208, 84, 44, 0.18);
}
.search-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.6;
  stroke-linecap: round;
}
#query {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: 500 14px var(--sans);
}
#query::placeholder {
  color: rgba(196, 185, 162, 0.6);
}
#query::-webkit-search-cancel-button {
  filter: invert(0.8) sepia(0.3);
  cursor: pointer;
}
kbd {
  display: inline-block;
  padding: 1px 6px;
  font: 10px var(--mono);
  color: var(--text);
  background: rgba(243, 236, 216, 0.08);
  border: 1px solid rgba(243, 236, 216, 0.14);
  border-radius: 4px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}
.search:focus-within kbd {
  display: none;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 12px 0 2px;
}
.chips button {
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(243, 236, 216, 0.03);
  color: var(--muted-strong);
  font: 500 11.5px var(--sans);
  cursor: pointer;
  transition: background 140ms, border-color 140ms, color 140ms;
}
.chips button:hover {
  background: rgba(208, 84, 44, 0.14);
  border-color: rgba(208, 84, 44, 0.38);
  color: var(--text);
}
.chips button.active {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-color: transparent;
  color: var(--ink);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(208, 84, 44, 0.28);
}

#status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font: 10px var(--mono);
  letter-spacing: 0.06em;
  color: var(--muted);
  min-height: 15px;
}
#status {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--aoi);
  box-shadow: 0 0 8px rgba(229, 168, 83, 0.7);
}
#status-row[data-state="busy"] .dot {
  animation: pulse 1.1s ease-in-out infinite;
}
#status-row[data-state="ok"] .dot {
  background: var(--accent-strong);
  box-shadow: 0 0 8px rgba(227, 113, 72, 0.8);
}
#status-row[data-state="error"] .dot {
  background: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
}
#status-row[data-state="error"] {
  color: #fca5a5;
}
@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}

#activity {
  margin-top: 8px;
  font: 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}
#activity[hidden] {
  display: none;
}
/* Says why the score switched to raw cosine (a background prompt was searched). */
.mode-note {
  margin: 10px 0 0;
  padding: 7px 10px;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--muted-strong);
  background: rgba(229, 168, 83, 0.07);
  border-left: 2px solid var(--aoi);
  border-radius: 0 6px 6px 0;
}
.mode-note strong {
  color: var(--aoi);
  font-weight: 600;
}
.mode-note[hidden] {
  display: none;
}
#progress {
  display: block;
  width: 100%;
  height: 3px;
  margin-top: 5px;
  border: 0;
  border-radius: 2px;
  appearance: none;
  background: rgba(243, 236, 216, 0.1);
  overflow: hidden;
}
#progress::-webkit-progress-bar {
  background: rgba(243, 236, 216, 0.1);
}
#progress::-webkit-progress-value {
  background: var(--accent);
}
#progress::-moz-progress-bar {
  background: var(--accent);
}
#progress[hidden] {
  display: none;
}

/* ── Display controls ───────────────────────────────────────────────────── */

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 2px;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
  background: rgba(243, 236, 216, 0.04);
}
.seg input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.seg label {
  padding: 6px 0;
  border-radius: 6px;
  font: 600 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
  transition: all 140ms;
}
.seg label:hover {
  color: var(--text);
}
.seg input:checked + label {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(208, 84, 44, 0.28), 0 0 0 1px rgba(208, 84, 44, 0.32) inset;
}
.seg input:focus-visible + label {
  outline: 1px solid var(--accent-strong);
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0 10px;
}
.slider-row > span {
  width: 72px;
  font: 600 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.slider-row output {
  width: 34px;
  text-align: right;
  font: 11px var(--mono);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.slider-row.is-off input,
.slider-row.is-off output {
  opacity: 0.4;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  min-width: 0;
  height: 4px;
  margin: 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) var(--v, 50%), rgba(243, 236, 216, 0.1) var(--v, 50%), rgba(243, 236, 216, 0.1) 100%);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 3px rgba(208, 84, 44, 0.18);
}
input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 3px rgba(208, 84, 44, 0.18);
}

#legend {
  margin: 2px 0 4px;
}
#legend-bar {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 3px;
}
.legend-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  font: 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* Switch toggles: the checkbox itself is restyled so it stays a real, clickable input. */
.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-strong);
  cursor: pointer;
  user-select: none;
}
.switch input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex-shrink: 0;
  width: 30px;
  height: 16px;
  margin: 0;
  border-radius: 999px;
  background: rgba(243, 236, 216, 0.12);
  border: 1px solid rgba(243, 236, 216, 0.14);
  cursor: pointer;
  transition: background 180ms, border-color 180ms;
}
.switch input::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted-strong);
  transition: transform 180ms, background 180ms;
}
.switch input:checked {
  background: rgba(208, 84, 44, 0.55);
  border-color: rgba(208, 84, 44, 0.7);
}
.switch input:checked::before {
  transform: translateX(14px);
  background: var(--text);
}
.switch input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.switch input:focus-visible {
  outline: 1px solid var(--accent-strong);
  outline-offset: 2px;
}

.toggles {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0 4px;
  padding: 10px 12px;
  border: 1px dashed rgba(229, 168, 83, 0.35);
  border-radius: var(--radius-sm);
}
html:not(.debug) .debug-only {
  display: none !important;
}

details {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
summary {
  font: 600 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  color: var(--accent-strong);
}
details[open] summary::before {
  content: "−";
}
summary:hover {
  color: var(--text);
}
textarea {
  width: 100%;
  resize: vertical;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(243, 236, 216, 0.03);
  color: var(--text);
  font: 12px/1.5 var(--mono);
  outline: none;
}
textarea:focus {
  border-color: rgba(208, 84, 44, 0.6);
}

/* ── Right column ───────────────────────────────────────────────────────── */

.scene-card {
  background: var(--panel-strong);
  border-color: var(--line);
}
.scene-title {
  font: 500 19px var(--serif);
  font-variation-settings: "opsz" 36;
  letter-spacing: -0.02em;
}
.scene-sub {
  font: 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-top: 4px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.stat-value {
  font: 500 17px var(--serif);
  font-variation-settings: "opsz" 36;
  color: var(--text);
  white-space: nowrap;
}
.stat-value small {
  font-size: 11px;
  color: var(--muted-strong);
  margin-left: 2px;
}
.stat-label {
  font: 600 8px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-top: 2px;
}

.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.list-head .section-label {
  margin: 0;
}
/* Card titles that minimize the card to its header (Top matches, Clicked point). */
.card-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  transition: color 140ms;
}
.card-toggle:hover:not(:disabled) {
  color: var(--text);
}
.card-toggle:disabled {
  cursor: default;
}
.card-toggle:disabled .chev {
  display: none;
}
.chev {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 160ms;
}
.is-collapsed .chev {
  transform: rotate(-90deg);
}
.is-collapsed .loc-list,
.is-collapsed .point-list {
  display: none;
}
#point-card.is-collapsed .coords {
  margin-bottom: 0;
}
.loc-list,
.point-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.loc-list:not(:empty) {
  margin-top: 12px;
}
.loc-list li + li {
  margin-top: 6px;
}
.loc {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border: 1px solid rgba(243, 236, 216, 0.07);
  border-radius: var(--radius-sm);
  background: rgba(243, 236, 216, 0.025);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: background 140ms, border-color 140ms, transform 140ms;
}
.loc:hover {
  background: rgba(208, 84, 44, 0.14);
  border-color: rgba(208, 84, 44, 0.38);
  transform: translateX(-1px);
}
.loc-num {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(208, 84, 44, 0.16);
  color: var(--accent-strong);
  font: 600 10px var(--mono);
  font-variant-numeric: tabular-nums;
}
.loc-body {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}
.loc-name {
  font: 500 14px var(--serif);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.loc-desc {
  font: 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 3px;
}
.loc-list .empty {
  font-size: 12px;
  color: var(--muted);
}

.coords {
  margin: 8px 0 8px;
  font: 10px var(--mono);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.point-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  border-top: 1px solid var(--line-soft);
}
.point-list a {
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.point-list a:hover {
  color: var(--accent-strong);
}
.point-list .score {
  flex-shrink: 0;
  font: 10px var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.icon-btn {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: 14px/1 var(--sans);
  cursor: pointer;
}
.icon-btn:hover {
  color: var(--text);
  border-color: rgba(208, 84, 44, 0.5);
}

/* ── Bottom: hints, timings, map controls ───────────────────────────────── */

.kbd-hint {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 10;
  padding: 9px 14px;
  font: 11px var(--mono);
  color: var(--muted-strong);
}
.kbd-hint .sep {
  display: inline-block;
  width: 12px;
}

#timing {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 10;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  font: 10px var(--mono);
  color: var(--muted);
  white-space: nowrap;
}
#timing:empty {
  display: none;
}

#hover {
  position: absolute;
  z-index: 20;
  pointer-events: none;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  font: 10px var(--mono);
  color: var(--text);
  white-space: nowrap;
}

.ol-zoom {
  top: auto;
  left: auto;
  right: 12px;
  bottom: 64px;
  padding: 0;
  background: none;
}
.ol-zoom button,
.ol-zoom button:hover,
.ol-zoom button:focus {
  width: 32px;
  height: 32px;
  margin: 0 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  color: var(--text);
  font: 500 18px/1 var(--sans);
  outline: none;
}
.ol-zoom button:hover {
  background: var(--panel-strong);
  color: var(--accent-strong);
}
.ol-scale-line {
  left: auto;
  right: 12px;
  bottom: 34px;
  padding: 3px 6px;
  border-radius: 6px;
  background: rgba(20, 16, 13, 0.7);
}
.ol-scale-line-inner {
  border-color: var(--muted-strong);
  color: var(--muted-strong);
  font: 9px var(--mono);
}
.ol-attribution {
  right: 12px;
  bottom: 8px;
  border-radius: 6px;
}
.ol-attribution:not(.ol-collapsed),
.ol-attribution.ol-uncollapsible {
  background: rgba(20, 16, 13, 0.7);
}
.ol-attribution ul {
  color: var(--muted);
  font: 9px var(--mono);
  text-shadow: none;
}
.ol-attribution a {
  color: var(--muted-strong);
}
.ol-attribution button,
.ol-attribution button:hover,
.ol-attribution button:focus {
  background: var(--panel);
  color: var(--muted-strong);
  border-radius: 6px;
  outline: none;
}

/* ── Help tour (DeltaBit's tutorial) ───────────────────────────────────── */

.tut-overlay {
  position: fixed;
  inset: 0;
  z-index: 1150;
  pointer-events: none; /* the page stays usable during the tour */
  background: rgba(14, 11, 8, 0.62);
  opacity: 0;
  transition:
    opacity 0.3s ease,
    background 0.3s ease;
}
.tut-overlay.is-active {
  opacity: 1;
}
.tut-overlay.has-spotlight {
  background: transparent;
}
.tut-overlay.has-spotlight::before,
.tut-overlay.has-spotlight::after {
  content: "";
  position: fixed;
  left: var(--tut-spot-x, 50%);
  top: var(--tut-spot-y, 50%);
  width: var(--tut-spot-w, 0px);
  height: var(--tut-spot-h, 0px);
  border-radius: 12px;
  pointer-events: none;
  transition:
    left 0.32s cubic-bezier(0.2, 0.8, 0.2, 1),
    top 0.32s cubic-bezier(0.2, 0.8, 0.2, 1),
    width 0.32s cubic-bezier(0.2, 0.8, 0.2, 1),
    height 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.tut-overlay.has-spotlight::after {
  box-shadow:
    0 0 0 9999px rgba(14, 11, 8, 0.62),
    inset 0 0 0 1px rgba(208, 84, 44, 0.45);
}
.tut-overlay.has-spotlight::before {
  box-shadow:
    0 0 0 2px rgba(208, 84, 44, 0.55),
    0 0 28px 6px rgba(208, 84, 44, 0.35);
  animation: tut-pulse 2.6s ease-in-out infinite;
}
@keyframes tut-pulse {
  0%,
  100% {
    opacity: 0.75;
  }
  50% {
    opacity: 1;
  }
}

.tut-card {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 1300;
  width: 360px;
  max-height: calc(100% - 24px);
  overflow-y: auto;
  padding: 20px 22px 14px;
  background: var(--panel-strong);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(243, 236, 216, 0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0s linear 0.28s,
    left 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
    top 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
  outline: none;
}
.tut-card.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}
.tut-step-label {
  margin-bottom: 8px;
  font: 600 10px var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}
.tut-title {
  margin: 0 24px 10px 0;
  font: 500 19px/1.2 var(--serif);
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 36;
}
.tut-body {
  margin-bottom: 18px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted-strong);
}
.tut-body p {
  margin: 0 0 8px;
}
.tut-body p:last-child {
  margin-bottom: 0;
}
.tut-body kbd {
  vertical-align: 1px;
}
.tut-body strong {
  color: var(--text);
  font-weight: 600;
}
.tut-body em {
  color: var(--aoi);
  font-style: normal;
}
.tut-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tut-dots {
  display: flex;
  gap: 5px;
  margin-right: auto;
}
.tut-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(243, 236, 216, 0.18);
  transition:
    background 180ms,
    box-shadow 180ms;
}
.tut-dot.is-active {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(208, 84, 44, 0.6);
}
.tut-btn {
  border: none;
  cursor: pointer;
  font: 600 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  transition: all 140ms;
}
.tut-btn.primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(208, 84, 44, 0.3);
}
.tut-btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(208, 84, 44, 0.4);
}
.tut-btn.ghost {
  background: transparent;
  color: var(--muted);
  padding: 7px 10px;
}
.tut-btn.ghost:hover {
  color: var(--text);
}
.tut-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.tut-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font: 16px/1 var(--sans);
  cursor: pointer;
  transition: all 140ms;
}
.tut-close:hover {
  background: rgba(243, 236, 216, 0.06);
  color: var(--text);
}
.tut-optout {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font: 10px var(--mono);
  letter-spacing: 0.06em;
  color: var(--muted);
  cursor: pointer;
}
.tut-optout input {
  margin: 0;
  accent-color: var(--accent);
}

@media (max-height: 760px) {
  .kbd-hint {
    display: none;
  }
  #left {
    max-height: calc(100% - 24px);
  }
}

@media (max-width: 820px) {
  #left {
    left: 8px;
    right: 8px;
    top: 8px;
    width: auto;
    max-height: 50%;
    gap: 8px;
  }
  .card {
    padding: 10px 12px;
  }
  .title-card {
    padding: 8px 12px;
  }
  .help-btn {
    top: 6px;
    right: 8px;
    width: 26px;
    height: 26px;
    font-size: 14px;
  }
  .title-main {
    font-size: 22px;
  }
  .logo {
    width: 24px;
    height: 24px;
  }
  .title-sub,
  .title-meta,
  .kbd-hint,
  .search kbd,
  .scene-card,
  .ol-zoom,
  .ol-scale-line,
  #left .section-label,
  #display > :not(#legend) {
    display: none;
  }
  .chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    margin-inline: -12px;
    padding-inline: 12px;
  }
  .chips button {
    flex-shrink: 0;
  }
  #legend {
    margin: 0;
  }
  #right {
    top: auto;
    bottom: 36px;
    left: 8px;
    right: 8px;
    width: auto;
    max-height: 40%;
    gap: 8px;
  }
  #matches-card:has(#matches:empty),
  #matches-card.is-collapsed {
    padding-block: 8px;
  }
  .loc-list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .loc-list li {
    flex: 0 0 auto;
  }
  .loc-list li + li {
    margin-top: 0;
  }
  .loc-list .empty {
    flex: 1 1 auto;
  }
}